Structure 170210004912102 · Brazos County, TX

SH 6 SB over SH 30

Carries SH 6 SB over SH 30, 0.87 Mi SE Of FM 60.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT175 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

175 ft end to end: about 2 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197155 years old
Length174.9 ft53.3 m
Daily traffic33,477counted 2019
Last inspectedFebruary 2023every 24 months

Location

StateTexas
CountyBrazos
Location0.87 Mi SE Of FM 60
CarriesSH 6 SB
CrossesSH 30
Coordinates30.62965, -96.30240

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length174.9 ft (53.3 m)
Max Span95.1 ft (29 m)
Deck Width44.3 ft (13.5 m)
Deck Area719.5 sq m
Main Spans1
Year Built1971

Traffic

Avg Daily Traffic33,477 (2019)
Truck Traffic14%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number170210004912102

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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